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https://www.readbyqxmd.com/read/29142158/computed-tomography-magnetic-resonance-imaging-and-a-novel-surgical-approach-of-atlanto-axial-instability-with-incongruence-in-dogs
#1
Mario Dolera, Luca Malfassi, Simone Pavesi, Sara Finesso, Giovanni Mazza, Silvia Marcarini, Massimo Sala, Nancy Carrara, Cristina Bianchi, Jennifer M Gambino
Atlanto-axial (AA) instability due to ligament insufficiency is a common cause of cervical spinal cord compression in toy breeds. However, in some dogs a difference in size between the atlas and the axis leads to joint incongruence that exacerbates AA subluxation and makes surgical treatment challenging. Twelve dogs with AA instability with incongruence were enrolled in a single institution prospective observational study. Computed tomography (CT) and magnetic resonance imaging (MRI) of the AA joint were compared to a retrospectively reviewed control group...
November 15, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29128862/-simple-repair-of-monteggia-fractures-in-the-cat
#2
D A Koch
Monteggia fractures are rare traumatic injuries in cats and dogs. Ulna repair is mostly achieved by plates. Stable radial head fixation however is challenging. Temporary position screws have to be removed due to rotation forces in the elbow joint causing screw loosening. We present a novel and simple method using a sling technique, which holds the radial head in its physiological position and allows normal elbow movement.
November 2017: Schweizer Archiv Für Tierheilkunde
https://www.readbyqxmd.com/read/29121815/preclinical-animal-models-for-temporomandibular-joint-tissue-engineering
#3
Alejandro Almarza, Bryan Brown, Boaz Arzi, David Faustino Ângelo, William L Chung, Stephen F Badylak, Michael Scott Detamore
There is a paucity of in vivo studies that investigate the safety and efficacy of temporomandibular joint (TMJ) tissue regeneration approaches, in part due to the lack of established animal models. Review of disease models for study of the TMJ is presented herein with an attempt to identify relevant preclinical animal models for TMJ tissue engineering, with emphasis on the disc and condyle. Although degenerative joint disease models have been mainly performed on mice, rats, and rabbits, pre-clinical regeneration approaches must employ larger animal species...
November 9, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/29110674/characterization-of-endocannabinoids-and-related-acylethanolamides-in-the-synovial-fluid-of-dogs-with-osteoarthritis-a-pilot-study
#4
Carmela Valastro, Debora Campanile, Mariarosaria Marinaro, Delia Franchini, Fabiana Piscitelli, Roberta Verde, Vincenzo Di Marzo, Antonio Di Bello
BACKGROUND: Cannabis-based drugs have been shown to be effective in inflammatory diseases. A number of endocannabinoids including N- arachidonoylethanolamide (anandamide, AEA) and 2-arachidonyl glycerol (2-AG) with activity at the cannabinoid receptors (CBR) CBR1 and CBR2, have been identified. Other structurally related endogenous fatty acid compounds such as oleoylethanolamide (OEA) and palmitoyl ethanolamide (PEA) have been identified in biological tissues. These compounds do not bind to CBR but might be involved in facilitating the actions of directly acting endocannabinoids and thus are commonly termed "entourage" compounds due to their ability to modulate the endocannabinoid system...
November 6, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29105787/kinematic-behavior-of-a-novel-pedicle-screw-rod-fixation-system-for-the-canine-lumbosacral-joint
#5
Claudia Zindl, Alan S Litsky, Noel Fitzpatrick, Matthew J Allen
OBJECTIVE: To determine the biomechanical behavior of a novel distraction-stabilization system, consisting of an intervertebral distraction bolt, polyaxial screws, and connecting rods, in the canine lumbosacral spine. STUDY DESIGN: Biomechanical study. SAMPLE POPULATION: Cadaveric canine lumbosacral spines (L4-Cd3) (N = 8). METHODS: Cadaveric lumbosacral spines were harvested, stripped of musculature, mounted on a 4-point bending jig, and tested in extension, flexion, and lateral bending using nondestructive compressive axial loads (0-150 N)...
November 6, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29096664/kinetic-gait-analysis-in-english-bulldogs
#6
Andrés Sebastian Aristizabal Escobar, Alexandre Navarro Alves de Souza, Ana Carolina Brandão de Campos Fonseca Pinto, Julia Maria Matera
BACKGROUND: Canine breed conformation may interfere with locomotion and may predispose to orthopedic disease. Bulldogs have a high incidence of orthopedic diseases such as hip dysplasia. Kinetic gait analysis provides an objective way to assess and analyze locomotion. The aim of this study was to study the vertical forces of English Bulldogs during walk using a pressure sensitive walkway. We hypothesize that Bulldogs affected by orthopedic diseases have decreased weight bearing and asymmetric locomotion in the limbs despite having mild to no sings during clinical examination...
November 2, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29076366/effects-of-transforming-growth-factor-%C3%AE-and-interleukin-1%C3%AE-on-inflammatory-markers-of-osteoarthritis-in-cultured-canine-chondrocytes
#7
Nadja Adler, Axel Schoeniger, Herbert Fuhrmann
OBJECTIVE To determine effects of transforming growth factor (TGF)-β and interleukin (IL)-1β on inflammatory markers in cultured canine chondrocytes to clarify the role of these cytokines in osteoarthritis of dogs. SAMPLE Pooled chondrocytes isolated from the stifle joints of 4 adult dogs. PROCEDURES Chondrocytes were isolated, cultured, and frozen at -80°C. Pooled cells were incubated in medium with or without TGF-β (1 or 10 ng/mL) and subsequently stimulated with IL-1β (10 ng/mL). Concentrations of nitric oxide (NO) and prostaglandin (PG) E were measured in culture supernatants...
November 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29044561/aquatic-treadmill-water-level-influence-on-pelvic-limb-kinematics-in-cranial-cruciate-ligament-deficient-dogs-with-surgically-stabilised-stifles
#8
G Bertocci, C Smalley, N Brown, K Bialczak, D Carroll
OBJECTIVE: To compare pelvic limb joint kinematics and temporal gait characteristics during land-based and aquatic-based treadmill walking in dogs that have undergone surgical stabilisation for cranial cruciate ligament deficiency. MATERIALS AND METHODS: Client-owned dogs with surgically stabilised stifles following cranial cruciate ligament deficiency performed three walking trials consisting of three consecutive gait cycles on an aquatic treadmill under four water levels...
October 17, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29035662/treatment-of-medial-shoulder-joint-instability-in-dogs-by-extracapsular-stabilization-with-a-prosthetic-ligament-39-cases-2008-2013
#9
Erica M O'Donnell, Sherman O Canapp, James L Cook, Fred Pike
OBJECTIVE To investigate clinical outcomes for dogs surgically treated for medial shoulder joint instability (MSI) by extracapsular stabilization with a prosthetic ligament. DESIGN Retrospective multicenter case series. ANIMALS 39 client-owned dogs. PROCEDURES Medical records of 3 veterinary medical centers were searched to identify dogs with MSI diagnosed by clinical examination and arthroscopic assessment and treated by extracapsular stabilization with a prosthetic ligament. A minimum 6-month follow-up period was required for study inclusion...
November 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29030883/polyunsaturated-fatty-acids-influence-inflammatory-markers-in-a-cellular-model-for-canine-osteoarthritis
#10
N Adler, A Schoeniger, H Fuhrmann
Although it is well recognized that dietary supplementation with fish oil improves clinical symptoms in dogs suffering from osteoarthritis, the molecular basis for the dietary benefit is not yet completely resolved in dogs. This study was designed to further clarify how polyunsaturated fatty acids (PUFA) affect key factors of cartilage degeneration in a canine cell culture system mimicking osteoarthritis. Canine chondrocytes were incubated either without or with 10 μm of eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), arachidonic acid (AA) or 3...
October 13, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29023529/radiographic-measurement-of-the-quadriceps-angle-in-dogs
#11
Stefania Pinna, Noemi Romagnoli
The direction of the force of the quadriceps muscle group is expressed by the value of the quadriceps angle, between the long axis of the muscle rectus femoris and the patellar ligament. This value is often modified in dogs with patellar luxation, a common orthopaedic disease of the stifle joint in both small and large dogs. The aims of the present study were to give a reference value for the quadriceps angle in healthy small and medium-large breed dogs. The medical records of healthy dogs and their pelvic limb radiographs (2014-2016) were reviewed...
2017: PloS One
https://www.readbyqxmd.com/read/28967360/what-can-we-learn-from-osteoarthritis-pain-in-companion-animals
#12
REVIEW
Dorothy Cimino Brown
The lack of successful translation of basic research discoveries into safe and effective treatments for chronic pain patients has led to increased scrutiny of the preclinical models used in pain research, particularly for osteoarthritis, where there is a significant disconnect between the animal models used to study the structural versus symptomatic aspects of the disease. Companion dogs offer a unique opportunity to assess osteoarthritis pain in a physiologically relevant 'model' of the disease. Approximately 20% of the canine pet population spontaneously develops osteoarthritis, translating to at least 15 million dogs in the United States alone...
September 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28946728/acute-osteomyelitis-in-the-hand-due-to-dog-bite-injury-a-report-of-3-cases
#13
Ryun Lee, Hee Young Lee, Ji Hyun Kim, Yea Sik Han, Dong Chul Kim, Kwan Chul Tark
As many people keep small dogs as pets, dog bites are common injuries, accounting for approximately 80%-90% of all animal bite injuries. These injuries usually occur on the upper extremities, most commonly on the fingers. Most of these injuries appear as simple lacerations or abrasions of the skin. Common symptoms include inflammatory reactions of the soft tissue, such as pain, swelling, erythema, and cellulitis. However, the complications of small dog bites may include joint or cartilage injuries, including acute osteomyelitis...
September 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28940545/effect-of-distal-ulnar-ostectomy-on-carpal-joint-stability-during-weight-bearing-in-the-dog
#14
Pierre M Amsellem, Aisha N Young, Tammy L Muirhead, LeeAnn Pack, Peter Moak, Andrea R Matthews, Denis J Marcellin-Little
OBJECTIVE: To assess the influence of a 50% distal ulnectomy on mediolateral carpal stability in the dog. STUDY DESIGN: Canine cadaveric study. SAMPLE POPULATION: Seven canine thoracic limbs METHODS: Thoracic limbs were placed in a jig to mimic weight bearing with a load representing 30% of body weight. Carpal extension angle was standardized at 190° ± 5°. Frontal plane carpal angles were measured with the limb loaded on craniocaudal radiographs before and after ulnectomy...
September 22, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28933333/-canine-elbow-humeroulnar-incongruity-measurements-using-computed-tomography
#15
R Snášil, P Proks, A Nečasová, K Michalčáková, A Nečas
PURPOSE OF THE STUDY The purpose of the study is to compare the repeatability and reproducibility of quantitative and subjective evaluation of elbow humeroulnar incongruity (HUI) using computed tomography (CT) on an in vivo canine model. MATERIAL AND METHODS HUI was evaluated on canine (n = 50) elbow joints (n = 100). The computed tomography of elbow joints was performed under intravenous sedation. Multiplanar reconstructions (MPR) were produced. HUI was evaluated on sagittal MPR images subjectively and by measuring the subluxation index (SI)...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28910468/estimation-of-dog-bite-risk-and-related-morbidity-among-personnel-working-with-military-dogs
#16
H Schermann, N Eiges, A Sabag, E Kazum, A Albagli, M Salai, A Shlaifer
BACKGROUND: Soldiers serving in the Israel Defense Force Military Working Dogs (MWD) Unit spend many hours taming dogs' special skills, taking them on combat missions, and performing various dogkeeping activities. During this intensive work with the aggressive military dogs, bites are common, and some of them result in permanent disability. However, this phenomenon has not been quantified or reported as an occupational hazard. METHODS: This was a retrospective cohort study based on self-administered questionnaires...
2017: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
https://www.readbyqxmd.com/read/28865771/can-skull-form-predict-the-shape-of-the-temporomandibular-joint-a-study-using-geometric-morphometrics-on-the-skulls-of-wolves-and-domestic-dogs
#17
Stefan Curth, Martin S Fischer, Kornelius Kupczik
The temporomandibular joint (TMJ) conducts and restrains masticatory movements between the mammalian cranium and the mandible. Through this functional integration, TMJ morphology in wild mammals is strongly correlated with diet, resulting in a wide range of TMJ variations. However, in artificially selected and closely related domestic dogs, dietary specialisations between breeds can be ruled out as a diversifying factor although they display an enormous variation in TMJ morphology. This raises the question of the origin of this variation...
September 1, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28861851/a-comparison-between-two-double-button-endoscopically-assisted-surgical-techniques-for-the-treatment-acute-acromioclavicular-dislocations
#18
P Vulliet, M Le Hanneur, V Cladiere, P Loriaut, P Boyer
PURPOSE: To compare clinical and radiological outcomes between two endoscopically assisted double-button techniques in high-grade acute acromioclavicular separations. METHODS: A retrospective single-center study was conducted in patients with acute acromioclavicular joint dislocation Rockwood types III and V, from 2009 to 2014. All were treated endoscopically, with a 1-year minimum follow-up. Two consecutive series were conducted; the first (TR group) received the TightRope(®) system, whereas last series (DB group) was treated with the Dog Bone(®) button technology (Arthrex, Naples, FL, USA)...
August 31, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28855550/social-rivalry-triggers-visual-attention-in-children-with-autism-spectrum-disorders
#19
Marine Grandgeorge, Yentl Gautier, Pauline Brugaillères, Inès Tiercelin, Carole Jacq, Marie-Claude Lebret, Martine Hausberger
Visual social attention is central to social functioning and learning and may act as a reinforcer. Social rivalry, which occurs when an individual is excluded from dyadic interactions, can promote interspecific learning by triggering attention. We applied it to an animal-assisted intervention, where the behaviour of ASD children was compared between an experimental (attention shift of the animal trainer from the dog-child to the dog only) and a control (attention maintained on the dyad) groups (study 1). The results show that ASD children are sensitive to the direction of (visual) social attention and may act, physically and visually, in order to regain it...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28836371/prior-joint-disease-is-associated-with-increased-risk-of-periarticular-histiocytic-sarcoma-in-dogs
#20
E K Manor, L E Craig, X Sun, C M Cannon
Periarticular histiocytic sarcoma (PAHS) is the most common synovial tumour in dogs and is characterized by aggressive local disease with a high rate of distant metastasis. Previously, an association between PAHS and prior joint disease has been demonstrated in the Bernese Mountain Dog breed and suggested in the Rottweiler. We hypothesized that this association would be present in other breeds and investigated this via a retrospective, case-controlled analysis. Cases were dogs diagnosed with PAHS of the stifle or elbow...
August 23, 2017: Veterinary and Comparative Oncology
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